java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/gj2007.c.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:49:58,011 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:49:58,013 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:49:58,030 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:49:58,031 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:49:58,032 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:49:58,033 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:49:58,036 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:49:58,037 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:49:58,038 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:49:58,040 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:49:58,040 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:49:58,041 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:49:58,042 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:49:58,043 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:49:58,046 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:49:58,048 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:49:58,050 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:49:58,057 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:49:58,060 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:49:58,061 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:49:58,062 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:49:58,065 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:49:58,065 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:49:58,065 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:49:58,066 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:49:58,067 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:49:58,067 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:49:58,068 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:49:58,069 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:49:58,069 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:49:58,070 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:49:58,070 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:49:58,070 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:49:58,071 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:49:58,072 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:49:58,072 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 08:49:58,083 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:49:58,083 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:49:58,087 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:49:58,088 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:49:58,088 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:49:58,088 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:49:58,088 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:49:58,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:49:58,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:49:58,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:49:58,184 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:49:58,185 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:49:58,186 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gj2007.c.i_4.bpl [2018-09-26 08:49:58,186 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gj2007.c.i_4.bpl' [2018-09-26 08:49:58,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:49:58,237 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:49:58,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:49:58,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:49:58,238 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:49:58,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:58" (1/1) ... [2018-09-26 08:49:58,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:58" (1/1) ... [2018-09-26 08:49:58,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:49:58,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:49:58,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:49:58,276 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:49:58,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:58" (1/1) ... [2018-09-26 08:49:58,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:58" (1/1) ... [2018-09-26 08:49:58,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:58" (1/1) ... [2018-09-26 08:49:58,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:58" (1/1) ... [2018-09-26 08:49:58,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:58" (1/1) ... [2018-09-26 08:49:58,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:58" (1/1) ... [2018-09-26 08:49:58,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:58" (1/1) ... [2018-09-26 08:49:58,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:49:58,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:49:58,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:49:58,294 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:49:58,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-09-26 08:49:58,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:49:58,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:49:58,673 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:49:58,674 INFO L202 PluginConnector]: Adding new model gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:49:58 BoogieIcfgContainer [2018-09-26 08:49:58,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:49:58,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:49:58,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:49:58,679 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:49:58,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:49:58" (1/2) ... [2018-09-26 08:49:58,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77595287 and model type gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:49:58, skipping insertion in model container [2018-09-26 08:49:58,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:49:58" (2/2) ... [2018-09-26 08:49:58,687 INFO L112 eAbstractionObserver]: Analyzing ICFG gj2007.c.i_4.bpl [2018-09-26 08:49:58,699 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:49:58,707 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:49:58,759 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:49:58,760 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:49:58,760 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:49:58,760 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:49:58,760 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:49:58,760 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:49:58,761 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:49:58,761 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:49:58,761 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:49:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:49:58,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:49:58,793 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:49:58,794 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:49:58,795 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:49:58,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:49:58,800 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:49:58,825 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:49:59,098 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:49:59,099 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:49:59,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:49:59,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:49:59,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:49:59,111 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 08:49:59,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:49:59,176 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2018-09-26 08:49:59,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:49:59,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 08:49:59,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:49:59,189 INFO L225 Difference]: With dead ends: 13 [2018-09-26 08:49:59,189 INFO L226 Difference]: Without dead ends: 8 [2018-09-26 08:49:59,193 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:49:59,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-09-26 08:49:59,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-09-26 08:49:59,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-09-26 08:49:59,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-09-26 08:49:59,227 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2018-09-26 08:49:59,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:49:59,228 INFO L480 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2018-09-26 08:49:59,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:49:59,228 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-09-26 08:49:59,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 08:49:59,228 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:49:59,229 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2018-09-26 08:49:59,229 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:49:59,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:49:59,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1808054743, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:49:59,240 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:49:59,801 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-09-26 08:50:02,007 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-09-26 08:50:08,182 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-09-26 08:50:10,091 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-09-26 08:50:10,977 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-09-26 08:50:11,588 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-26 08:50:12,652 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-26 08:50:13,428 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-09-26 08:50:14,522 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-26 08:50:15,281 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-09-26 08:50:16,616 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-09-26 08:50:17,464 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-09-26 08:50:19,069 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-09-26 08:50:20,029 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-09-26 08:50:21,597 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-09-26 08:50:22,674 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-09-26 08:50:24,495 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-09-26 08:50:26,148 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-09-26 08:50:28,712 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-09-26 08:50:30,414 WARN L178 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-09-26 08:50:32,658 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-09-26 08:50:34,274 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-09-26 08:50:36,812 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-09-26 08:50:38,410 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2018-09-26 08:50:41,117 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-09-26 08:50:42,868 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-09-26 08:50:45,931 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-09-26 08:50:47,822 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2018-09-26 08:50:51,057 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-09-26 08:50:53,293 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-09-26 08:50:56,884 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-09-26 08:50:59,181 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2018-09-26 08:51:03,048 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-09-26 08:51:05,518 WARN L178 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2018-09-26 08:51:09,784 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-09-26 08:51:12,463 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-09-26 08:51:17,177 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-09-26 08:51:20,083 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2018-09-26 08:51:25,265 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-09-26 08:51:28,423 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2018-09-26 08:51:34,030 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-09-26 08:51:37,397 WARN L178 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-09-26 08:51:43,275 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2018-09-26 08:51:46,922 WARN L178 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2018-09-26 08:51:53,300 WARN L178 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-09-26 08:51:57,112 WARN L178 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2018-09-26 08:52:04,035 WARN L178 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2018-09-26 08:52:08,163 WARN L178 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2018-09-26 08:52:15,427 WARN L178 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-09-26 08:52:19,840 WARN L178 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2018-09-26 08:52:27,800 WARN L178 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-09-26 08:52:32,843 WARN L178 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2018-09-26 08:52:41,673 WARN L178 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2018-09-26 08:52:46,844 WARN L178 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2018-09-26 08:52:56,016 WARN L178 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-09-26 08:53:01,579 WARN L178 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2018-09-26 08:53:11,720 WARN L178 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2018-09-26 08:53:18,221 WARN L178 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2018-09-26 08:53:29,674 WARN L178 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2018-09-26 08:53:35,905 WARN L178 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2018-09-26 08:53:47,200 WARN L178 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-09-26 08:53:54,008 WARN L178 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2018-09-26 08:54:06,047 WARN L178 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2018-09-26 08:54:12,919 WARN L178 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2018-09-26 08:54:26,028 WARN L178 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2018-09-26 08:54:33,658 WARN L178 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 327 Received shutdown request... [2018-09-26 08:54:45,457 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:54:45,458 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 08:54:45,463 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 08:54:45,464 INFO L202 PluginConnector]: Adding new model gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:54:45 BoogieIcfgContainer [2018-09-26 08:54:45,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:54:45,465 INFO L168 Benchmark]: Toolchain (without parser) took 287230.79 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -267.9 MB). Free memory was 1.5 GB in the beginning and 916.9 MB in the end (delta: 546.7 MB). Peak memory consumption was 278.8 MB. Max. memory is 7.1 GB. [2018-09-26 08:54:45,467 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:54:45,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:54:45,468 INFO L168 Benchmark]: Boogie Preprocessor took 17.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:54:45,469 INFO L168 Benchmark]: RCFGBuilder took 380.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 08:54:45,469 INFO L168 Benchmark]: TraceAbstraction took 286789.32 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -267.9 MB). Free memory was 1.4 GB in the beginning and 916.9 MB in the end (delta: 525.6 MB). Peak memory consumption was 257.7 MB. Max. memory is 7.1 GB. [2018-09-26 08:54:45,473 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 17.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 380.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 286789.32 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -267.9 MB). Free memory was 1.4 GB in the beginning and 916.9 MB in the end (delta: 525.6 MB). Peak memory consumption was 257.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 31]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 31). Cancelled while BasicCegarLoop was analyzing trace of length 8 with TraceHistMax 2, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. TIMEOUT Result, 286.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 1 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gj2007.c.i_4.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-54-45-486.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gj2007.c.i_4.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-54-45-486.csv Completed graceful shutdown